The spelling of the word "shiroma" in English can be explained using IPA phonetic transcription. The word is pronounced as /ʃɪˈroʊmə/ in American English and /ʃɪˈrəʊmə/ in British English. The first syllable "shi" is pronounced as "sh-ee" and the second syllable "ro" is pronounced as "r-oh". The final syllable "ma" is pronounced as "m-uh". This phonetic transcription helps to understand the correct pronunciation and spelling of the word "shiroma".